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The leading space ends up in the FLAVOUR substitution in live.cfg.
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This makes it possible to build an image against a first distribution
(--distribution-chroot) and have the resulting image point to another
distribution (--distribution-binary). We can use this to build against a
snapshot and have the result use the original distribution that was
snapshotted.
Closes: #888507
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Closes: #934495
Thanks: Алексей Шилин
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Before Stretch there was an special amd64 kernel in the i386 arch repo.
So if you wanted to install an amd64 kernel alongside an i386 system
you did not need an additional arch repo.
Debian added multiarch support. That way you can install library packages
from multiple architectures on the same machine.
So there is no longer a need for having an amd64 kernel in i386 arch repo.
You can add an amd64 arch repo to an i386 arch system and fetch the amd64
kernel from the am64 arch repo.
live-build can be setup to use several linux kernel flavours in a single
image.
So in the days previous to this patch you could issue:
lb config --linux-flavours "486 amd64"
to use both 486 and amd64 kernel flavours.
Adding additional arch support to linux flavours poses two problems:
* Packages need to have its arch suffix (e.g. amd64:amd64).
If the suffix is not there apt-get insists on search amd64 kernel
package on i386 arch repo and, of course, fails to find it.
* The rest of the code which handles labels (bootloader config files)
or installed filenames (kernel images themselves) do not use the arch suffix.
This patch adds foreign architecture package support to
linux kernel flavours having taken those problems into account.
Practical example usage: i386 system and extra amd64 kernel.
First add amd64 foreign architecture in your i386 system
thanks to:
dpkg --add-architecture amd64
apt-get update
.
Finally enable amd64 kernel from amd64 arch alongside the
i386 system's 686 kernel thanks to:
lb config --architectures i386 --linux-flavours "686 amd64:amd64"
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replace deprecated httpredir.debian.org to deb.debian.org and use
it as default mirror since it is appropriate for users
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Open Network Install Environment is an open image format used by
networking vendor to ship a standardised image for networking white
box switches.
ONIE hardware takes this image at boot and a script to chain load
into the final environment via kexec. We can support Debian and
derivatives on such systems by packing an ISO which then gets
unpacked, kexec'ed and live-booted.
A base ONIE system can be tested in QEMU by building a VM following
these instrunctions:
https://github.com/opencomputeproject/onie/blob/master/machine/kvm_x86_64/INSTALL
Once built, boot onie-recovery-x86_64-kvm_x86_64-r0.iso in QEMU/libvirt
and on the console there will be the terminal prompt. Check the IP
assigned by libvirt and then scp the live image (ssh access is enabled
as root without password...). Then the .bin can be booted with:
ONIE-RECOVERY:/ # onie-nos-install /tmp/live.hybrid.iso-ONIE.bin
The implementation is inspired by ONIE's own scripts that can be found
at:
https://github.com/opencomputeproject/onie/blob/master/contrib/debian-iso/cook-bits.sh
A new option, --onie (false by default) can be set to true to enable
building this new format in addition to an ISO.
An additional option, --onie-kernel-cmdline can be used to specify
additional options that the ONIE system should use when kexec'ing the
final image.
Note that only iso or hybrid-iso formats are supported.
For more information about the ONIE ecosystem see:
http://onie.org
Signed-off-by: Erik Ziegenbalg <eziegenb@Brocade.com>
Signed-off-by: Luca Boccassi <bluca@debian.org>
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Support for UEFI Secure Boot is modelled after how it currently works
in Ubuntu and on how it is going to work on Debian.
A minimal bootloader, shim, is used as the first-stage and it then
loads grub. Both have to be signed.
shim-signed is already available in Debian so the filenames are
already established, and the grub2 repository and packaging is common
between the 2 distros so we can already be reasonably sure of what it
is going to be.
So if both are available, copy /usr/lib/shim/shim[x64|aa64].efi.signed
as boot[x64|aa64].efi so that UEFI loads it first, and copy
/usr/lib/grub/[x86_64|arm64]-efi-signed/grub[x64|aa64].efi.signed as
grub[x64|aa64].efi.
This grub2 EFI monolithic image is currently hard-coded in grub2's
repository to look for a config file in efi/debian, so make a copy
of the previously added minimal grub.cfg that loads the real one in
that directory in both the fat32 and ISO 9660 partitions.
The new option --uefi-secure-boot can be set to auto (default,
enable or disable.
In auto, the lack of the signed EFI binaries is intentionally left as a
soft failure - live-build will simply fallback to using the locally
generated non-signed grub2 monolithic EFI binary as the only
bootloader. Given the difficulties surrounding the Secure Boot
signing infrastructure this approach gives the most flexibility and
makes sure things will "just work" once the packages are available,
without the need to change anything in the configuration.
This will also greatly help downstream distributions and users who
want to do self-signing.
The enable or disable options work as expected.
Closes: #821084
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As done by the linux source package since its version 4.4.
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Also fix the version string in the manual pages.
Closes: #859290
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4.9.
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The date based versioning scheme no longer allows such a check. And we
don't intend to break backwards compatibility for now.
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UEFI is getting widely adopted but BIOS support is still
needed.
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* Added: functions/bootloaders.sh . This file adds bootloader functions that are heavily used in efi scenarios where a bootloader can act as a first or an extra bootloader.
Since the introduction of the new switch:
--bootloaders
you can setup it like this:
--bootloaders=syslinux,grub-efi
.
This means that syslinux is the first bootloader and grub-efi is the extra bootloader.
* Added new bootloader functions: Check_Non_First_Bootloader and Check_Non_Extra_Bootloader.
These functions let each one of the bootloaders abort the build because
they cannot perform a role either as a first bootloader or as an extra bootloader.
* Added bootloader functions: Check_First_Bootloader_Role, Check_Extra_Bootloader_Role and Check_Any_Bootloader_Role
These functions let bootloaders to force their default role in a single line.
At the same time many binary bootloaders were rewritten to make use of the new bootloader role functions explained above.
These roles were enforced:
binary_grub-legacy : First bootloader
binary_grub-pc : Either first or extra bootloader
binary_syslinux : Either first or extra bootloader
If a bootloader is tried to be used in a role that it's not meant to be used then the build fails because that might lead to a non-bootable system.
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function which it's the right place where to do it
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It's gone from Debian unstable/testing since Linux 3.17.
Sponsored-By: Offensive Security
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Note: OLDIFS use makes IFS to be reset to "" instead to it being unset.
Either we need to detect if old IFS was unset to unset it
or we need a proper way of setting it as a local variable.
Even more IFS it's not currently used in
Check_package (which it's called from: binary_hdd).
we should have a clean way of resetting/unsetting IFS when calling Check_package.
The other approach it's to explicitly define IFS with its default value in the
places inside live-build code where we implicitly suppose that it's going to have
its default value.
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Future live-build versions will still allow to use casper,
but its configuration will be done differently by a custom
config tree, rather than embedded and maintenance intensive
code in live-build itself.
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Future live-build versions will still allow to use casper,
but its configuration will be done differently by hooks
in the config tree, rather than embedded and maintenance intensive
code in live-build itself.
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Signed-off-by: Fathi Boudra <fabo@debian.org>
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debootstrap is the official tool to bootstrap debian,
cdebootstrap has had the one or other bug making it
broken for times during the release cycles.
The extra effort of supporting both debootstrap
and cdebootstrap is hardly worth it since the bootstrap
stage is cached anyway.
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'derivative-is-based-on' variable or somesuch" fixme.
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from Rui Miguel P. Bernardo <rui.bernardo.pt@gmail.com> (Closes: #772522, #772651).
This however will still not work properly building upstart based
images but they have been broken/unsupported anyway since a long
time.
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With linux 3.16 in Debian Jessie, armmp and armmp-lpae are the
only armhf flavours availale. On armel, we lost the support of
the iop32x flavour.
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(Closes: #745816)
extlinux configuration for the bootable image is installed to
/boot/extlinux, matching the extlinux-install script in Debian.
From the configuration point of view it's still called "syslinux",
the same as the rest of the syslinux family (pxelinux, isolinux etc.)
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This might come back in future if there's demand for it
and the base is sufficiently cleaned up first.
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